Finding the Fourth Proportional to 22,384.76, 30,887.34 and 12,951.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,384.76 : 30,887.34 = 12,951.50 : x
2. Step 2: Convert to fraction form
   22,384.76/30,887.34 = 12,951.50/x
3. Step 3: Cross multiply
   22,384.76x = 30,887.34 × 12,951.50
4. Step 4: Simplify right side
   22,384.76x = 400,037,384.01
5. Step 5: Solve for x
   x = 400,037,384.01/22,384.76
6. Step 6: Final answer
   x = 17,870.97